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Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch replaces dev->mc_count in all drivers (hopefully I didn't miss
anything). Used spatch and did small tweaks and conding style changes when
it was suitable.
Jirka
Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The i.MX51 babbage board has a FEC ethernet controller with this phy.
In the long term we should resurrect the phylib patches for fec.
Signed-off-by: Amit Kucheria <amit.kucheria@canonical.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The fec driver was enabling receive buffer descriptor without allocating
the buffers. Make sure the buffer descriptors are initialized to not
start receiving packets.
Open also calls fec_restart after the rx buffers are allocated. With the code
in fec_restart, it zeroes out the buffer descriptors that have just been
setup.
Signed-off-by: Rob Herring <r.herring@freescale.com>
Signed-off-by: Amit Kucheria <amit.kucheria@canonical.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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fec_enet_init is called by both fec_probe and fec_resume, so it
shouldn't be marked as __init.
Signed-off-by: Steven King <sfking@fdwdc.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: (53 commits)
m68knommu: Make PAGE_SIZE available to assembly files.
m68knommu: fix ColdFire definition of CLOCK_TICK_RATE
m68knommu: set multi-function pins for ethernet when enabled
m68knommu: remove special interrupt handling code for ne2k support
m68knommu: relax IO_SPACE_LIMIT setting
m68knommu: remove ColdFire direct interrupt register access
m68knommu: create a speciailized ColdFire 5272 interrupt controller
m68knommu: add support for second interrupt controller of ColdFire 5249
m68knommu: clean up old ColdFire timer irq setup
m68knommu: map ColdFire interrupts to correct masking bits
m68knommu: clean up ColdFire 532x CPU timer setup
m68knommu: simplify ColdFire "timers" clock initialization
m68knommu: support code to mask external interrupts on old ColdFire CPU's
m68knommu: merge old ColdFire interrupt controller masking macros
m68knommu: remove duplicate ColdFire mcf_autovector() code
m68knommu: move ColdFire INTC definitions to new include file
m68knommu: mask off all interrupts in ColdFire intc-simr controller
m68knommu: remove timer device interrupt setup for ColdFire 532x
m68knommu: remove interrupt masking from ColdFire pit timer
m68knommu: remove unecessary interrupt level setting in ColdFire 520x setup
...
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Now that the ColdFire 5272 has full interrupt controller functionality
we can remove all the interrupt masking and acking code from the FEC
ethernet driver.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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fec_enet_mii, fec_enet_rx and fec_enet_tx are both only called by
fec_enet_interrupt in interrupt context. So they must not use
spin_lock_irq/spin_unlock_irq.
This fixes:
WARNING: at kernel/lockdep.c:2140 trace_hardirqs_on_caller+0x130/0x194()
...
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: Greg Ungerer <gerg@uclinux.org>
Cc: Ben Hutchings <ben@decadent.org.uk>
Cc: Patrick McHardy <kaber@trash.net>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Matt Waddel <Matt.Waddel@freescale.com>
Cc: netdev@vger.kernel.org
Cc: Tim Sander <tim01@vlsi.informatik.tu-darmstadt.de>
Acked-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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mii_discover_phy is only called by fec_enet_mii (via mip->mii_func). So
&fep->mii_lock is already held and mii_discover_phy must not call
mii_queue which locks &fep->mii_lock, too.
This was noticed by lockdep:
=============================================
[ INFO: possible recursive locking detected ]
2.6.31-rc8-00038-g37d0892 #109
---------------------------------------------
swapper/1 is trying to acquire lock:
(&fep->mii_lock){-.....}, at: [<c01569f8>] mii_queue+0x2c/0xcc
but task is already holding lock:
(&fep->mii_lock){-.....}, at: [<c0156328>] fec_enet_interrupt+0x78/0x460
other info that might help us debug this:
2 locks held by swapper/1:
#0: (rtnl_mutex){+.+.+.}, at: [<c0183534>] rtnl_lock+0x18/0x20
#1: (&fep->mii_lock){-.....}, at: [<c0156328>] fec_enet_interrupt+0x78/0x460
stack backtrace:
Backtrace:
[<c00226fc>] (dump_backtrace+0x0/0x108) from [<c01eac14>] (dump_stack+0x18/0x1c)
r6:c781d118 r5:c03e41d8 r4:00000001
[<c01eabfc>] (dump_stack+0x0/0x1c) from [<c005bae4>] (__lock_acquire+0x1a20/0x1a88)
[<c005a0c4>] (__lock_acquire+0x0/0x1a88) from [<c005bbac>] (lock_acquire+0x60/0x74)
[<c005bb4c>] (lock_acquire+0x0/0x74) from [<c01edda8>] (_spin_lock_irqsave+0x54/0x68)
r7:60000093 r6:c01569f8 r5:c785e468 r4:00000000
[<c01edd54>] (_spin_lock_irqsave+0x0/0x68) from [<c01569f8>] (mii_queue+0x2c/0xcc)
r7:c785e468 r6:c0156b24 r5:600a0000 r4:c785e000
[<c01569cc>] (mii_queue+0x0/0xcc) from [<c0156b78>] (mii_discover_phy+0x54/0xa8)
r8:00000002 r7:00000032 r6:c785e000 r5:c785e360 r4:c785e000
[<c0156b24>] (mii_discover_phy+0x0/0xa8) from [<c0156354>] (fec_enet_interrupt+0xa4/0x460)
r5:c785e360 r4:c077a170
[<c01562b0>] (fec_enet_interrupt+0x0/0x460) from [<c0066674>] (handle_IRQ_event+0x48/0x120)
[<c006662c>] (handle_IRQ_event+0x0/0x120) from [<c0068438>] (handle_level_irq+0x94/0x11c)
...
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: Greg Ungerer <gerg@uclinux.org>
Cc: Ben Hutchings <ben@decadent.org.uk>
Cc: Patrick McHardy <kaber@trash.net>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Matt Waddel <Matt.Waddel@freescale.com>
Cc: netdev@vger.kernel.org
Cc: Tim Sander <tim01@vlsi.informatik.tu-darmstadt.de>
Acked-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
arch/microblaze/include/asm/socket.h
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Commit f0b3fbeae11a526c3d308b691684589ee37c359b ("FEC Buffer rework")
breaks transmission of packets where the skb data buffer is not memory
aligned according to FEC_ALIGNMENT. It incorrectly passes to
dma_sync_single() the buffer address directly from the skb, instead of
the address calculated for use (which may be the skb address or one of
the bounce buffers).
It seems there is no use converting the cpu address of the buffer to
a physical either, since dma_map_single() expects the cpu address and
will return the dma address to use in the descriptor. So remove the use
of __pa() on the buffer address as well.
This patch is against 2.6.30-rc5. This breakage is a regression over
2.6.30, which does not have this problem.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/wireless/orinoco/main.c
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alloc_etherdev() used to install a default implementation of this
operation, but it must now be explicitly installed in struct
net_device_ops.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch is the result of an automatic spatch transformation to convert
all ndo_start_xmit() return values of 0 to NETDEV_TX_OK.
Some occurences are missed by the automatic conversion, those will be
handled in a seperate patch.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Convert magic values 1 and -1 to NETDEV_TX_BUSY and NETDEV_TX_LOCKED respectively.
0 (NETDEV_TX_OK) is not changed to keep the noise down, except in very few cases
where its in direct proximity to one of the other values.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
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We called fec_stop() in fec_enet_close(), thus we have to call
fec_restart() in fec_enet_open().
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Allocate buffers in fec_open and free them again in fec_close. This makes
it possible to use this driver as a module.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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These printks in fec_timeout do not give useful information in
a production kernel.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Otherwise we get a lot of alignment errors
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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fec_enet_init() does the hardware initialisation and then calls
fec_restart() which does the same initialisation again, so we
can safely remove the initialisation from fec_enet_init().
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove the ColdFire CPU specific setup from here. The ColdFire
CPU platform code now sets up all this.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/Kconfig
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This turns the fec driver into a platform device driver for new
platforms. Old platforms are still supported through a FEC_LEGACY define
till they are also ported.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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flush_dcache_range is not portable across architectures. Use
dma_sync_single instead. Also, the memory must be synchronised in the
receive path aswell.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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According to the datasheet the ICSR register is at offset 27, not 22.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There are some architecture specific functions which are all
empty. Remove them.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The #else branches throughout this driver belong to a PowerPC 8xx for
which this driver is not used.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Matt Waddel <Matt.Waddel@freescale.com>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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We have some reasons to kill netdev->priv:
1. netdev->priv is equal to netdev_priv().
2. netdev_priv() wraps the calculation of netdev->priv's offset, obviously
netdev_priv() is more flexible than netdev->priv.
But we cann't kill netdev->priv, because so many drivers reference to it
directly.
This patch is a safe convert for netdev->priv to netdev_priv(netdev).
Since all of the netdev->priv is only for read.
But it is too big to be sent in one mail.
I split it to 4 parts and make every part smaller than 100,000 bytes,
which is max size allowed by vger.
Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This converts pretty much everything to print_mac. There were
a few things that had conflicts which I have just dropped for
now, no harm done.
I've built an allyesconfig with this and looked at the files
that weren't built very carefully, but it's a huge patch.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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They have never been used in this port of the driver. It is has only
ever been used on the ColdFire SoC ethernet core.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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This ifdefs are leftovers from the time as the driver was running
on a ppc.
Signed-off-by: Sebastian Siewior <bigeasy@linutronix.de>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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I found config FADS only in ppc/Kconfig. Bye bye relic.
Signed-off-by: Sebastian Siewior <bigeasy@linutronix.de>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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It's easy: grab locks before talking to hardware and realease
them afterwards. The one big lock has been splitted into a hw_lock
and mii_lock.
Signed-off-by: Sebastian Siewior <bigeasy@linutronix.de>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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linux-2.6-mk68/drivers/net/fec.c: In function 'fec_enet_module_init':
linux-2.6-mk68/drivers/net/fec.c:2627: warning: unused variable 'j'
linux-2.6-mk68/drivers/net/fec.c: At top level:
linux-2.6-mk68/drivers/net/fec.c:2136: warning: 'mii_link_interrupt' defined but not used
Signed-off-by: Sebastian Siewior <bigeasy@linutronix.de>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Remove the acquisition of unused interrupt types. We don't need to
register all the TX and RX varients used on some ColdFire FEC hardware.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Renamed the 5272 hash_table registers to match the "grp" hash_table
registers of the other ColdFire parts. They are actually a group hash.
The makes for consistent setup across all ColdFire parts.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The FEC driver has a common interrupt handler for all interrupt event
types. It is raised on a number of distinct interrupt vectors.
This handler can't be re-entered while processing an interrupt, so
make sure all requested vectors are flagged as IRQF_DISABLED.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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